<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>HI,<br><br> In upgrading the redundancy modules and controlnet modules for the HMS to accommodating V20.4, will the the control net modules in the remote chassis need to be upgraded as well?<br><br>Also the 1756RM is no longer available. The 1756RM2 is what they offered. Any issues with this version of the module?<br><br>Thanks<br>Steven<br></div></body></html>